Chloe x Halle first came to national attention after winning "Radio Disney's Next BIG Thing" competition. After their win, they uploaded covers of pop songs to YouTube. A rendition of "Pretty Hurts" caught the attention of the song's original singer: Beyoncé, and her Parkwood Entertainment imprint in 2013.
Their debut EP, Sugar Symphony, was released on April 29, 2016. Later in 2016, they made cameo appearances in Beyoncé's Lemonade visual album. They later served as Beyoncé's opening act for the European leg of The Formation World Tour.
On April 8, 2018, Chloe x Halle performed "America the Beautiful" to kick off WrestleMania 34.